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Patents > National tech categories : GB 4 propel & steer or USPC 244/34R

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Inventors:
Ernest Wilson (3) · James Grieve Lorrain (3) · Charles John Evans (2) · Gustav Koch (2) · Erhard Brunsmann (2) · Hiram Stevens Maxim (2) · Patrick Young Alexander (2) · John MacHaffie (2) · John Marshall (2) · Octave Chanute (2)
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Tech fields:
propulsion (42) · propeller (27) · navigation (24) · LTA (23) · frame (15) · subsystem (14) · rudder (14) · electricity (10) · marine (10) · heavier-than-air (10) · car (10) · flapping (9) · airplane (8) · steam (7) · stability (7) · jet (7) · balloon (7)
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Showing below up to 80 results in range #1 to #80.

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